Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

But did the famous feminist and abolitionist ever really say those iconic four words?

Ohio's 19th-century communist micro-society.

A colorful "forest" made entirely from three tons of recycled plastic waste.

Beneath the most controversial monument in Mexico City is a cultural center that exhibits only digital art.

Discarded animal sculptures stand forgotten by an abandoned aquarium and water park in Bosque de Chapultepec.

Explore the atmospheric ruins of an abandoned convent in the dense forests of Mexico's first national park.

Murals made with millions of colorful stones adorn the abandoned building.

Mexico's National Sound Library houses music, recordings, and voices from the nation's rich past.

A museum befitting the city responsible for supplying the majority of the world's LSD.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Furniture tries to escape an abandoned building in San Francisco.

Crumbling pink walls and murder memorials preserve the pioneer history of Joshua Tree.

The quirky salon doubles as a retro museum run by the world's leading "hairstorian."

The only thing stranger than stumbling onto these philosophical musings is the story of the homesteader who created them.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

A high point in Vancouver kitsch.

Couple's personal collection of pinball machines turned public pinball museum.

A colorful architectural gem in Seattle's uniquely modern Central Library.

The biggest museum dedicated to insects in North America, one of the largest in the world.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

This indiscriminate collection of audio antiques is trying to preserve the history of the audio industry one vintage appliance at a time.

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.